CN113497502A - 电动工具、电机及其转子 - Google Patents

电动工具、电机及其转子 Download PDF

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Publication number
CN113497502A
CN113497502A CN202010266848.4A CN202010266848A CN113497502A CN 113497502 A CN113497502 A CN 113497502A CN 202010266848 A CN202010266848 A CN 202010266848A CN 113497502 A CN113497502 A CN 113497502A
Authority
CN
China
Prior art keywords
rotor
bottom wall
casing
housing
cooling fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010266848.4A
Other languages
English (en)
Chinese (zh)
Inventor
马全同
周明伟
阿伦·马德里
赵安平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Electric Guangdong Co Ltd
Original Assignee
Johnson Electric Guangdong Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Electric Guangdong Co Ltd filed Critical Johnson Electric Guangdong Co Ltd
Priority to CN202010266848.4A priority Critical patent/CN113497502A/zh
Priority to EP21785560.0A priority patent/EP4135162A4/de
Priority to PCT/CN2021/080437 priority patent/WO2021203909A1/zh
Publication of CN113497502A publication Critical patent/CN113497502A/zh
Priority to US17/959,270 priority patent/US12424890B2/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/279—Magnets embedded in the magnetic core
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Cooling System (AREA)
CN202010266848.4A 2020-04-07 2020-04-07 电动工具、电机及其转子 Pending CN113497502A (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202010266848.4A CN113497502A (zh) 2020-04-07 2020-04-07 电动工具、电机及其转子
EP21785560.0A EP4135162A4 (de) 2020-04-07 2021-03-12 Elektrowerkzeug, motor und rotor dafür
PCT/CN2021/080437 WO2021203909A1 (zh) 2020-04-07 2021-03-12 电动工具、电机及其转子
US17/959,270 US12424890B2 (en) 2020-04-07 2022-10-03 Electric power tool, motor, and rotor thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010266848.4A CN113497502A (zh) 2020-04-07 2020-04-07 电动工具、电机及其转子

Publications (1)

Publication Number Publication Date
CN113497502A true CN113497502A (zh) 2021-10-12

Family

ID=77995708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010266848.4A Pending CN113497502A (zh) 2020-04-07 2020-04-07 电动工具、电机及其转子

Country Status (4)

Country Link
US (1) US12424890B2 (de)
EP (1) EP4135162A4 (de)
CN (1) CN113497502A (de)
WO (1) WO2021203909A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230188004A1 (en) 2021-12-10 2023-06-15 Black & Decker Inc. Power tool with compact outer-rotor motor assembly
CN116365753B (zh) * 2022-07-29 2024-08-23 北京金风科创风电设备有限公司 转子、发电机以及风力发电机组

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136585A1 (de) * 2005-06-23 2006-12-28 Ebm-Papst Mulfingen Gmbh & Co. Kg Rotor mit lüfterrad für einen elektronisch kommutierten elektromotor
US20070236099A1 (en) * 2006-04-06 2007-10-11 Byoung Kyu Kim Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same
CN101170266A (zh) * 2006-10-23 2008-04-30 梁昌勇 外转子式车用永磁发电机
CN201196155Y (zh) * 2007-12-14 2009-02-18 台达电子工业股份有限公司 风扇及其马达的转子结构
JP2011004590A (ja) * 2009-06-22 2011-01-06 Moatech Co Ltd スリム型ステップモーターの回転子支持構造
CN102751802A (zh) * 2012-07-18 2012-10-24 杭州摩恩电机有限公司 一种永磁电机转子
CN103051083A (zh) * 2011-10-12 2013-04-17 建准电机工业股份有限公司 马达转子
US20130200733A1 (en) * 2009-07-03 2013-08-08 Johnson Electric S.A. Power tool
CN104597993A (zh) * 2014-12-31 2015-05-06 曙光信息产业(北京)有限公司 冷却系统及服务器系统
CN204458476U (zh) * 2014-12-31 2015-07-08 永盛节能科技有限公司 节能风机
CN204704151U (zh) * 2015-04-30 2015-10-14 莱克电气股份有限公司 一种离心风扇
CN107516958A (zh) * 2016-06-15 2017-12-26 德昌电机(深圳)有限公司 转子、具有该转子的电机及电动工具
CN110829654A (zh) * 2019-11-22 2020-02-21 杭州微光电子股份有限公司 一种电机转子

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883982A (en) * 1988-06-02 1989-11-28 General Electric Company Electronically commutated motor, blower integral therewith, and stationary and rotatable assemblies therefor
DE10258346A1 (de) * 2002-12-12 2004-06-24 Steinel Gmbh & Co Kg Bürstenloser Elektromotor
JP2005218268A (ja) * 2004-02-02 2005-08-11 Hitachi Ltd 整流子付電動機及びその電機子製造方法並びに内燃機関始動装置
CN101087077A (zh) * 2006-06-07 2007-12-12 梁昌勇 没有前后端盖的汽车永磁发电机
DE102009060959A1 (de) * 2009-12-30 2011-07-07 Robert Bosch GmbH, 70469 Transversalflussmaschine
FR3004025B1 (fr) * 2013-03-29 2015-03-27 Renault Sa Rotor discoide pour un moteur electrique a flux axial
FR3062253B1 (fr) * 2017-01-25 2020-06-12 IFP Energies Nouvelles Machine electrique tournante fermee comportant un systeme de refroidissement interne par air des aimants dans le rotor
JP6856446B2 (ja) * 2017-05-23 2021-04-07 澤藤電機株式会社 アウターロータ型電動機におけるロータ構造
CN209233661U (zh) * 2018-12-17 2019-08-09 中山大洋电机股份有限公司 一种外转子电机
CN110784129A (zh) * 2019-10-25 2020-02-11 中山市美昇电子科技有限公司 一种电源驱动电路及一体化无刷电机

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136585A1 (de) * 2005-06-23 2006-12-28 Ebm-Papst Mulfingen Gmbh & Co. Kg Rotor mit lüfterrad für einen elektronisch kommutierten elektromotor
US20070236099A1 (en) * 2006-04-06 2007-10-11 Byoung Kyu Kim Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same
CN101170266A (zh) * 2006-10-23 2008-04-30 梁昌勇 外转子式车用永磁发电机
CN201196155Y (zh) * 2007-12-14 2009-02-18 台达电子工业股份有限公司 风扇及其马达的转子结构
JP2011004590A (ja) * 2009-06-22 2011-01-06 Moatech Co Ltd スリム型ステップモーターの回転子支持構造
US20130200733A1 (en) * 2009-07-03 2013-08-08 Johnson Electric S.A. Power tool
CN103051083A (zh) * 2011-10-12 2013-04-17 建准电机工业股份有限公司 马达转子
CN102751802A (zh) * 2012-07-18 2012-10-24 杭州摩恩电机有限公司 一种永磁电机转子
CN104597993A (zh) * 2014-12-31 2015-05-06 曙光信息产业(北京)有限公司 冷却系统及服务器系统
CN204458476U (zh) * 2014-12-31 2015-07-08 永盛节能科技有限公司 节能风机
CN204704151U (zh) * 2015-04-30 2015-10-14 莱克电气股份有限公司 一种离心风扇
CN107516958A (zh) * 2016-06-15 2017-12-26 德昌电机(深圳)有限公司 转子、具有该转子的电机及电动工具
CN110829654A (zh) * 2019-11-22 2020-02-21 杭州微光电子股份有限公司 一种电机转子

Also Published As

Publication number Publication date
US20230031766A1 (en) 2023-02-02
US12424890B2 (en) 2025-09-23
WO2021203909A1 (zh) 2021-10-14
EP4135162A1 (de) 2023-02-15
EP4135162A4 (de) 2024-05-22

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